CN104519263A - Method for acquiring image and electronic device - Google Patents

Method for acquiring image and electronic device Download PDF

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Publication number
CN104519263A
CN104519263A CN201310452932.5A CN201310452932A CN104519263A CN 104519263 A CN104519263 A CN 104519263A CN 201310452932 A CN201310452932 A CN 201310452932A CN 104519263 A CN104519263 A CN 104519263A
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China
Prior art keywords
image
image information
information
acquisition
preview
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CN201310452932.5A
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Chinese (zh)
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CN104519263B (en
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胡彦婷
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联想(北京)有限公司
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Abstract

The invention discloses a method for acquiring images and an electronic device. The method is applied in the electronic device. The electronic device comprises an image acquisition unit. The method comprises: the image acquisition unit acquiring a first preview image including an acquisition target, and extracting first image information of the acquisition target; a graph acquisition unit acquiring a second preview image including an acquisition target, and extracting second image information of the acquisition target, wherein the second acquisition moment of the second preview image is adjacent to the first acquisition moment of the first preview image, and the second acquisition moment is later than the first acquisition moment; determining whether the second image information is the same with the first image information; and when the second image information is not the same with the first image information, acquiring and storing the second preview image. Through the above technical scheme, images whose acquisition targets change are automatically stored, so that technical problems in the prior art that changed images cannot be automatically acquired according to changes of the acquisition targets in an acquisition region are solved.

Description

A kind of method of image acquisition and electronic equipment

Technical field

The present invention relates to areas of information technology, particularly a kind of method of image acquisition and electronic equipment.

Background technology

Along with the development of science and technology, acquisition technology obtains development at full speed, develop into present high clear colorful image from gathering simple black back of the body image at first, from, only need gently press shutter just can get the image wanted to complicated loaded down with trivial details image acquisition procedures till now.

Nowadays, digital camera on the market, first-class image collecting device of making a video recording, all needing man-machine cooperation when taking pictures, being pressed shutter to catch the image wanting to take by user.Rely on the selection of naked eyes to can be good at obtaining the image wanted for still life, the image capturing dynamic object then needs pressing shutter and could obtaining the image wanted of photographer's fast quasi-stationary.

But present inventor, in the process realizing technical scheme in the embodiment of the present application, finds that prior art exists following technical problem:

Existing image capture device cannot image according to the change of acquisition target in pickup area after automatic acquisition change, cannot the situation of change of image information in the record acquisition time of intelligence.

Summary of the invention

The embodiment of the present invention provides a kind of image acquiring method and electronic equipment, cannot the technical problem of image according to the change of acquisition target in pickup area after automatic acquisition change for solving image capture device in prior art.

The embodiment of the present application provides a kind of method of image acquisition, is applied to electronic equipment, and described electronic equipment comprises an image acquisition units, and described method comprises:

Obtained the first preview image comprising acquisition target by described image acquisition units, and extract the first image information of described acquisition target;

The second preview image comprising described acquisition target is obtained by described figure collecting unit, and extract the second image information of described acquisition target, wherein, it is adjacent that the second collection moment of described second preview image and first of described first preview image gathers the moment, and after being engraved in the described first collection moment during described second collection;

Judge that whether described second image information is identical with described first image information;

When described second image information is not identical with described second image information, obtains and preserve described second preview image.

Optionally, described acquisition target comprises who object.

Optionally, described first image information specifically comprises:

First face information of described who object, wherein said first face packets of information is containing the image information in the face feature region of described who object; And/or

First action message of described who object, wherein said first action message comprises form and the positional information of the limbs of described who object.

Optionally, described face feature region specifically comprises: the eyes of described who object and/or the region at face place.

Optionally, when described first image information is described first face information, described second image information is the second face information of described who object;

When described first image information is described first action message, described second image information is the second action message of described who object;

When described first image information be described first face information and described first action message time, described second image information is the second face information and second action message of described who object.

Optionally, describedly judge that whether described second image information is identical with described first image information, specifically comprises:

Judge whether the diversity factor of described second image information and described first image information is greater than setting threshold;

When described diversity factor is greater than described setting threshold, judge that described second image information is not identical with described first image information;

When described diversity factor is not more than described setting threshold, judge that described second image information is identical with described first image information.

Optionally, in described acquisition and after preserving described second preview image, described method also comprises:

The preservation quantity of described second preview image preserved in record current time period;

Judge whether described preservation quantity is less than predetermined number;

When described preservation quantity is not less than predetermined number, stop to preserve described second preview image after the described second collection moment, and by described preservation zeroing number.The embodiment of the present application also provides a kind of electronic equipment, and this electronic equipment comprises an image acquisition units, and described electronic equipment also comprises:

First acquiring unit, for being obtained the first preview image comprising acquisition target by described image acquisition units, and extracts the first image information of described acquisition target;

Second acquisition unit, for being obtained the second preview image comprising described acquisition target by described figure collecting unit, and extract the second image information of described acquisition target, wherein, it is adjacent that the second collection moment of described second preview image and first of described first preview image gathers the moment, and after being engraved in the described first collection moment during described second collection;

First judging unit, for judging that whether described second image information is identical with described first image information;

Storage unit, for when described second image information is not identical with described second image information, obtains and preserves described second preview image.

Optionally, described acquisition target comprises who object.

Optionally, described first image information specifically comprises:

First face information of described who object, wherein said first face packets of information is containing the image information in the face feature region of described who object; And/or

First action message of described who object, wherein said first action message comprises form and the positional information of the limbs of described who object.

Optionally, described face feature region specifically comprises: the eyes of described who object and/or the region at face place.

Optionally, when described first image information is described first face information, described second image information is the second face information of described who object; When described first image information is described first action message, described second image information is the second action message of described who object; When described first image information be described first face information and described first action message time, described second image information is the second face information and second action message of described who object.

Optionally, described first judging unit specifically for: judge whether the diversity factor of described second image information and described first image information is greater than setting threshold; When described diversity factor is greater than described setting threshold, judge that described second image information is not identical with described first image information; When described diversity factor is not more than described setting threshold, judge that described second image information is identical with described first image information.

Optionally, described electronic equipment also comprises:

Record cell, in described acquisition and after preserving described second preview image, the preservation quantity of described second preview image preserved in record current time period;

Second judging unit, for judging whether described preservation quantity is less than predetermined number;

Abort unit, for when described preservation quantity is not less than predetermined number, stops to preserve described second preview image after the described second collection moment, and by described preservation zeroing number.

Above-mentioned one or more technical scheme in the embodiment of the present application, at least has one or more technique effects following:

1, by obtaining the first preview image and second preview image of IMAQ object adjacent moment, judge that whether the first image information that acquisition target is corresponding is identical with the second object information, namely judge whether acquisition target changes at the same characteristic features in front and back moment, and corresponding image is automatically preserved when the first image information and the second object information are not identical, solving image capture device in prior art cannot the technical problem of image according to the change of acquisition target in pickup area after automatic acquisition change, image when automatic acquisition acquisition target changes, avoid the repeated obtain of identical image simultaneously, and then reach raising image acquisition accuracy rate, intelligent decision gathers the technique effect in moment.

2, for the acquisition target of change, the image that diversity factor exceedes setting threshold is obtained by electronic equipment automatic decision, namely the image that the front and back changing features of automatic acquisition acquisition target is enough large, the image that as comparatively large in expression shape change, major beat changes greatly, can user be helped automatically timely to get the image of change, avoid, because user reflected the slow image captured less than wanting to take, improving Consumer's Experience.

3, special, for the gatherer process of portrait, the eye shape of acquisition target and the face information of mouth shapes is comprised because electronic equipment obtains, the expression shape change of personage is judged by the judgement of face information, obtain the image of expression shape change, the image of personage's expression shape change can be obtained accurately, simplify user and to autodyne flow process, improve Consumer's Experience.

Accompanying drawing explanation

The schematic flow sheet of a kind of image acquiring method that Fig. 1 provides for the embodiment of the present application one;

The block diagram of a kind of electronic equipment that Fig. 2 provides for the embodiment of the present application two.

Embodiment

In the technical scheme that the embodiment of the present application provides, by obtaining the first preview image and second preview image of IMAQ object adjacent moment, judge that whether the first image information that acquisition target is corresponding is identical with the second object information, namely judge whether acquisition target changes in the feature of two adjacent moment, and corresponding image is automatically preserved when the first image information and the second object information are not identical, thus the image of automatic acquisition acquisition target when changing, cannot the technical problem of image according to the change of acquisition target in pickup area after automatic acquisition change to solve image capture device in prior art, realize the image acquisition of the acquisition target of change.

Below in conjunction with accompanying drawing, the main of the embodiment of the present application technical scheme is realized principle, embodiment and be explained in detail the beneficial effect that should be able to reach.

Embodiment one

Please refer to Fig. 1, the application provides a kind of method of image acquisition, is applied to electronic equipment, and described electronic equipment comprises an image acquisition units, and described method comprises:

S101: obtained the first preview image comprising acquisition target by described image acquisition units, and extract the first image information of described acquisition target;

S102: obtained the second preview image comprising described acquisition target by described figure collecting unit, and extract the second image information of described acquisition target, wherein, it is adjacent that the second collection moment of described second preview image and first of described first preview image gathers the moment, and after being engraved in the described first collection moment during described second collection;

S103: judge that whether described second image information is identical with described first image information;

S104: when described second image information is not identical with described second image information, obtains and preserves described second preview image.

In specific implementation process, the electronic equipment comprising image acquisition units can be special image capture device as camera, video camera, also can be there is photograph and/or camera function other equipment as mobile phone, computer etc.This electronic equipment, when the automatic change camera function that unlatching preset function and the application provide, performs S101.

S101: obtained the first preview image comprising acquisition target by described image acquisition units, and extract the first image information of described acquisition target.Concrete, acquisition target is specifically as follows who object, and can be also animal target, the embodiment of the present application be described in detail for who object.

The image acquisition units of electronic equipment is when getting the preview image of acquisition target, extract the image information of acquisition target, wherein image information is specially the characteristic image information of acquisition target, as characterized the face information of personage's human face expression, the form characterizing human limbs feature and positional information and action message.Because the characteristic image information of acquisition target is different in the same time, as previous moment face information be smiling face, subsequent time face information but become funny face, therefore for the ease of distinguishing not the different characteristic image information of the same characteristic features of acquisition target in the same time, the characteristic image information of the first preview image that eve in adjacent two moment gets is expressed as the first image information by the embodiment of the present application, and the characteristic image information of the second preview image got a moment rear in adjacent two moment is expressed as the second image information.After extracting the first image information, continue to perform S102.

S102: obtained the second preview image comprising described acquisition target by described figure collecting unit, and extract the second image information of described acquisition target, wherein, it is adjacent that the second collection moment of described second preview image and first of described first preview image gathers the moment, and after being engraved in the described first collection moment during described second collection.Concrete, the first image information is identical with the feature that the second image information characterizes, and when the first image information is the first face information of who object, the second image information is then the second face information of who object; When described first image information is the first action message of who object, the second image information is then the second action message of who object; When the first image information is the first face information and first action message of who object, described second image information is then the second face information and second action message of who object.Extracting acquisition target when second image information in the second collection moment, continuing to perform S103.

When judging that in S103 whether the second image information and the first image information be identical, specifically strictly can compare the second image information whether identical with parameter corresponding in the first image information.But, in order to improve the diversity factor of two images in front and back, also can judge whether the diversity factor of described second image information and described first image information is greater than setting threshold, wherein diversity factor specifically refers to the difference between the parameter value of sign acquisition target feature, setting threshold is then designer's experimentally best default threshold of data setting, and user also can tune up according to the needs of oneself or turn setting threshold down; When described diversity factor is greater than described setting threshold, judge that described second image information is not identical with described first image information; When described diversity factor is not more than described setting threshold, judge that described second image information is identical with described first image information.Such as: be 0 when the smiling face's parameter in the second image information is smiling face's parameter in the 7, first image information, so the diversity factor of the second image information and the first image information is then 7, suppose that setting threshold is 3, so judging that the diversity factor 7 of the second image information and the first image information is greater than setting threshold is 3, represents that the second image information is not identical with the first image information; Otherwise then represent that the second image information is identical with the first image information.

Obtain two kinds of judged results, the first result by performing S103: the second image information is identical with the first image information, namely the limb action of acquisition target and/or facial expression do not change or change not quite, now do not preserve the second preview image.The second result: the second image information is not identical with the first image information, namely the limb action of acquisition target and/or facial expression there occurs change or change greatly, and now perform S104 and preserve the second preview image and namely automatically snap image corresponding to the second collection moment.

In specific implementation process, characterize the image information of the first face packets of information containing the face feature region of who object of who object expression, specifically can the eyes of who object and/or the image information of face region.This image information can characterize the eyes of who object and/or the shape of mouth.Certainly in order to characterize the expression of personage more accurately, the image information table that the first face information can also comprise personage's eyebrow region levies shape and the position of who object.First action message of corresponding sign who object limbs feature specifically can comprise form and the positional information of personage's hand and/or pin, hand as personage be hang down be placed on leg side, bending near face side, be bendingly inserted in loins or vertically lift over the top of the head, the form of personage's pin and positional information then mainly represent that who object is stood or takeoff.

Below in conjunction with concrete example, the implementation process of the application is described in detail.

(1), the first image information is the first face information

User is at the preset mode of unlocking electronic equipment image acquisition units---time " expression burst mode ", electronic equipment obtains the first preview image by image acquisition units, recognition of face is carried out to the first preview image, extracts the first face information of the first preview image: the eye shape information of who object and mouth shapes information.Concrete, electronic equipment obtains the multiple coordinate points on the eyes of who object by recognition of face, and the line of multiple coordinate points represents eye shape, and same mouth shapes also can represent mouth shapes by the line of the multiple coordinate points on mouth.Subsequent time after extraction first face information, obtain the second preview image comprising acquisition target, and extract the second corresponding face information: eye shape information and mouth shapes information, and then, judge that whether the second face information is identical with the first face information.

Such as: suppose that the personage A be taken in the first collection moment expresses one's feelings dignified, in the first face information extracted, eye shape is the arc of 35 radians, mouth shapes is the arc of 10 radians, and the personage A be taken in the second collection moment is brightened up, in the second face information extracted, eye shape is the arc of 20 radians, mouth shapes is the arc of 28 radians, so judge front and back eye shape difference 15 degree, front and back mouth shapes difference 18 degree, so judge that the diversity factor of the first face information and the second face information is 15 and 18 all exceeded setting threshold 8, therefore judge that the second face information is not identical with the first face information, show that the expression of who object there occurs to change largely, now user may need to take pictures, electronic equipment automatic shooting preservation second preview image.

Under " expression burst mode ", when the expression of the who object be taken continues change, electronic equipment then can take the photo of who object difference expression automatically, as smiled to laughing, laugh to funny face, funny face is to face of crying, photographer presses shutter and takes corresponding photo no longer to need reference object to keep each expression to wait for, but smile under the shooting of Automatic continuous, laugh, the photo of funny face and face of crying, for user provides more intelligent image acquisition mode more efficiently, avoid because the too fast and shooting of the who object expression shape change that is taken is less than the problem of corresponding photo simultaneously.

(2), the first image information is the first movable information

User is at the preset mode of unlocking electronic equipment image acquisition units---time " action burst mode ", electronic equipment obtains the first preview image by image acquisition units, recognition of face is carried out to the first preview image, extract the first action message of who object in the first preview image, specifically can characterize the first action by the first form of who object hand and primary importance.Subsequent time after extraction first action message, obtains the second preview image comprising acquisition target, and extracts the second corresponding action message, as the second form and the second place of who object hand.And then, judge that whether the second action message is identical with the first action message.

Such as: suppose that the hand gathering the personage A that the moment is taken first naturally droops, the first form extracted is represent the vector (0 naturally drooped,-10), primary importance is the coordinate points of finger in the first preview image is (50, 50), and gather the hand fork of the personage A that the moment is taken on waist second, the first form extracted is represent bending vector (0,-4), the second place is the coordinate points of finger in the second preview image is (80, 40), so judge that the difference of the first form and the second form is 6, the difference of primary importance and the second place is 3(30/10) all exceed setting threshold 1, therefore judge that the second action message is not identical with the first action message, show that the limb action of who object there occurs to change largely, now user may need to take pictures, electronic equipment automatic shooting preservation second preview image.When " action burst mode ", whether the limb action of electronic equipment automatic decision subject changes, and when changing, then automatically snaps the photo of action conversion.

In specific implementation process, when the first image information be the first movable information and the first face information time, the detailed process obtaining image in conjunction with example (1) and (2), in this no longer repeated description.

In order to avoid electronic equipment is when obtaining modified-image, immoderate acquisition modified-image, electronic equipment also records the preservation quantity of the second preview image preserved in current time period after each preservation the second preview image, wherein current time period be electronic equipment from the moment of preservation first the second preview image to the moment after following preset duration, preset duration can be the default value of electronic equipment or the settings voluntarily of user.Electronic equipment, after the preservation quantity of record second preview image, and then judges whether this preservation quantity is less than predetermined number; When the preservation quantity of the second preview image is not less than predetermined number, stop the second preview image after preservation second gathers the moment, and the amount of data stored of the second preview image reset, so that user continues the image obtaining change when upper once unlocking electronic equipment automatic acquisition modified-image function; When the preservation quantity of the second preview image is less than predetermined number, the above-mentioned steps repeating the application continues the image automatically preserving change.

Such as: user A opens when taking pictures to child B " the expression burst mode " of electronic equipment, the preservation quantity starting to record the second preview image preserved for 13: 15 that first face image of crying of child B preserved automatically by electronic equipment is 1, suppose that preset duration is 1min, predetermined number is 6, so electronic equipment will detect the facial expression modified-image of child B in the 1min after 13: 15, when the 6th the second preview image preserved by electronic equipment, the preservation quantity of record is 6, now judge that 6 are not less than predetermined number 6, so electronic equipment stops to carry out image information extraction and preservation to the second preview image of subsequent time automatically.Certainly, after preset duration in the past, electronic equipment also stops to carry out image information extraction and preservation to the second preview image of subsequent time, with the power consumption in order to reduce electronic equipment automatically.

In the above-described embodiments, by obtaining the first preview image and second preview image of IMAQ object adjacent moment, judge that whether the first image information that acquisition target is corresponding is identical with the second object information, namely judge whether acquisition target changes at the same characteristic features in front and back moment, and corresponding image is automatically preserved when the first image information and the second object information are not identical, solving image capture device cannot the technical problem of image according to the change of acquisition target in pickup area after automatic acquisition change, image when automatic acquisition acquisition target changes, avoid the repeated obtain of identical image simultaneously, and then reach raising image acquisition accuracy rate, intelligent decision gathers the technique effect in moment.

Meanwhile, for the acquisition target of change, the image that diversity factor exceedes setting threshold is obtained by electronic equipment automatic decision, namely the image that the front and back changing features of automatic acquisition acquisition target is enough large, the image that as comparatively large in expression shape change, major beat changes greatly, can user being helped automatically timely to get the image of change, avoiding, because user reflected the slow image captured less than wanting to take, improving Consumer's Experience.

Especially, for the gatherer process of portrait, the eye shape of acquisition target and the face information of mouth shapes is comprised because electronic equipment obtains, the expression shape change of personage is judged by the judgement of face information, obtain the image of expression shape change, the image of personage's expression shape change can be obtained accurately, simplify user and to autodyne flow process, improve Consumer's Experience.

Embodiment two

Please refer to Fig. 2, the embodiment of the present application provides a kind of electronic equipment, and this electronic equipment comprises an image acquisition units, and described electronic equipment also comprises:

First acquiring unit 201, for being obtained the first preview image comprising acquisition target by described image acquisition units, and extracts the first image information of described acquisition target;

Second acquisition unit 202, for being obtained the second preview image comprising described acquisition target by described figure collecting unit, and extract the second image information of described acquisition target, wherein, it is adjacent that the second collection moment of described second preview image and first of described first preview image gathers the moment, and after being engraved in the described first collection moment during described second collection;

First judging unit 203, for judging that whether described second image information is identical with described first image information;

Storage unit 204, for when described second image information is not identical with described second image information, obtains and preserves described second preview image.

In specific implementation process, described acquisition target comprises who object, and namely described first acquiring unit 201 is specifically for obtaining the first preview image that described acquisition target is who object.

In order to the change of the expression and/or action that judge acquisition target more accurately, described first image information that the first acquiring unit of electronic equipment obtains specifically comprises:

First face information of described who object, wherein said first face packets of information contains:

The image information in the face feature region of described who object; And/or

First action message of described who object, wherein said first action message comprises form and the positional information of the limbs of described who object.

In order to characterize the expression shape change of who object accurately, described face feature region specifically comprises: the eyes of described who object and/or face region.

In specific implementation process, when described first image information is described first face information, described second image information is the second face information of described who object; When described first image information is described first action message, described second image information is the second action message of described who object; When described first image information be described first face information and described first action message time, described second image information is the second face information and second action message of described who object.

In order to obtain the larger picture of diversity factor, described first judging unit 203 specifically for: judge whether the diversity factor of described second image information and described first image information is greater than setting threshold; When described diversity factor is greater than described setting threshold, judge that described second image information is not identical with described first image information; When described diversity factor is not more than described setting threshold, judge that described second image information is identical with described first image information.

In specific implementation process, the electronic equipment that this enforcement provides also comprises:

Record cell 205, in described acquisition and after preserving described second preview image, the preservation quantity of described second preview image preserved in record current time period;

Second judging unit 206, for judging whether described preservation quantity is less than predetermined number;

Abort unit 207, for when described preservation quantity is not less than predetermined number, stops to preserve described second preview image after the described second collection moment, and by described preservation zeroing number.

Due to the virtual bench that the electronic equipment in the present embodiment is corresponding with method, so its concrete course of work has just no longer been specifically described.

By the one or more technical schemes in the embodiment of the present application, following one or more technique effect can be realized:

1, by obtaining the first preview image and second preview image of IMAQ object adjacent moment, judge that whether the first image information that acquisition target is corresponding is identical with the second object information, namely judge whether acquisition target changes at the same characteristic features in front and back moment, and corresponding image is automatically preserved when the first image information and the second object information are not identical, solving image capture device in prior art cannot the technical problem of image according to the change of acquisition target in pickup area after automatic acquisition change, image when automatic acquisition acquisition target changes, avoid the repeated obtain of identical image simultaneously, and then reach raising image acquisition accuracy rate, intelligent decision gathers the technique effect in moment.

2, for the acquisition target of change, the image that diversity factor exceedes setting threshold is obtained by electronic equipment automatic decision, namely the image that the front and back changing features of automatic acquisition acquisition target is enough large, the image that as comparatively large in expression shape change, major beat changes greatly, can user be helped automatically timely to get the image of change, avoid, because user reflected the slow image captured less than wanting to take, improving Consumer's Experience.

3, special, for the gatherer process of portrait, the eye shape of acquisition target and the face information of mouth shapes is comprised because electronic equipment obtains, the expression shape change of personage is judged by the judgement of face information, obtain the image of expression shape change, the image of personage's expression shape change can be obtained accurately, simplify user and to autodyne flow process, improve Consumer's Experience.

Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.

The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (14)

1. a method for image acquisition, is applied to electronic equipment, and described electronic equipment comprises an image acquisition units, and described method comprises:
Obtained the first preview image comprising acquisition target by described image acquisition units, and extract the first image information of described acquisition target;
The second preview image comprising described acquisition target is obtained by described figure collecting unit, and extract the second image information of described acquisition target, wherein, it is adjacent that the second collection moment of described second preview image and first of described first preview image gathers the moment, and after being engraved in the described first collection moment during described second collection;
Judge that whether described second image information is identical with described first image information;
When described second image information is not identical with described second image information, obtains and preserve described second preview image.
2. the method for claim 1, is characterized in that, described acquisition target comprises who object.
3. method as claimed in claim 2, it is characterized in that, described first image information specifically comprises:
First face information of described who object, wherein said first face packets of information is containing the image information in the face feature region of described who object; And/or
First action message of described who object, wherein said first action message comprises form and the positional information of the limbs of described who object.
4. method as claimed in claim 3, it is characterized in that, described face feature region specifically comprises: the eyes of described who object and/or face region.
5. method as claimed in claim 3, it is characterized in that, when described first image information is described first face information, described second image information is the second face information of described who object;
When described first image information is described first action message, described second image information is the second action message of described who object;
When described first image information be described first face information and described first action message time, described second image information is the second face information and second action message of described who object.
6. the method as described in claim arbitrary in Claims 1 to 5, is characterized in that, describedly judges that whether described second image information is identical with described first image information, specifically comprises:
Judge whether the diversity factor of described second image information and described first image information is greater than setting threshold;
When described diversity factor is greater than described setting threshold, judge that described second image information is not identical with described first image information;
When described diversity factor is not more than described setting threshold, judge that described second image information is identical with described first image information.
7. method as claimed in claim 6, is characterized in that, in described acquisition and after preserving described second preview image, described method also comprises:
The preservation quantity of described second preview image preserved in record current time period;
Judge whether described preservation quantity is less than predetermined number;
When described preservation quantity is not less than predetermined number, stop to preserve described second preview image after the described second collection moment, and by described preservation zeroing number.
8. an electronic equipment, this electronic equipment comprises an image acquisition units, and described electronic equipment also comprises:
First acquiring unit, for being obtained the first preview image comprising acquisition target by described image acquisition units, and extracts the first image information of described acquisition target;
Second acquisition unit, for being obtained the second preview image comprising described acquisition target by described figure collecting unit, and extract the second image information of described acquisition target, wherein, it is adjacent that the second collection moment of described second preview image and first of described first preview image gathers the moment, and after being engraved in the described first collection moment during described second collection;
First judging unit, for judging that whether described second image information is identical with described first image information;
Storage unit, for when described second image information is not identical with described second image information, obtains and preserves described second preview image.
9. electronic equipment as claimed in claim 8, it is characterized in that, described acquisition target comprises who object.
10. electronic equipment as claimed in claim 9, it is characterized in that, described first image information specifically comprises:
First face information of described who object, wherein said first face packets of information is containing the image information in the face feature region of described who object; And/or
First action message of described who object, wherein said first action message comprises form and the positional information of the limbs of described who object.
11. electronic equipments as claimed in claim 10, it is characterized in that, described face feature region specifically comprises: the eyes of described who object and/or the region at face place.
12. electronic equipments as claimed in claim 8, is characterized in that, when described first image information is described first face information, described second image information is the second face information of described who object; When described first image information is described first action message, described second image information is the second action message of described who object; When described first image information be described first face information and described first action message time, described second image information is the second face information and second action message of described who object.
13. electronic equipments as described in claim arbitrary in claim 8 ~ 12, is characterized in that, described first judging unit specifically for: judge whether the diversity factor of described second image information and described first image information is greater than setting threshold; When described diversity factor is greater than described setting threshold, judge that described second image information is not identical with described first image information; When described diversity factor is not more than described setting threshold, judge that described second image information is identical with described first image information.
14. electronic equipments as claimed in claim 13, it is characterized in that, described electronic equipment also comprises:
Record cell, in described acquisition and after preserving described second preview image, the preservation quantity of described second preview image preserved in record current time period;
Second judging unit, for judging whether described preservation quantity is less than predetermined number;
Abort unit, for when described preservation quantity is not less than predetermined number, stops to preserve described second preview image after the described second collection moment, and by described preservation zeroing number.
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